Home / 30,521,515.52-45,821,122-19,783,748.96

Finding the Fourth Proportional to 30,521,515.52, 45,821,122 and 19,783,748.96

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Solution

The fourth proportional to 30,521,515.52, 45,821,122 and 19,783,748.96 is: 29,700,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521,515.52 : 45,821,122 = 19,783,748.96 : x
  2. Step 2: Convert to fraction form
    30,521,515.52/45,821,122 = 19,783,748.96/x
  3. Step 3: Cross multiply
    30,521,515.52x = 45,821,122 × 19,783,748.96
  4. Step 4: Simplify right side
    30,521,515.52x = 906,513,574,713,533.12
  5. Step 5: Solve for x
    x = 906,513,574,713,533.12/30,521,515.52
  6. Step 6: Final answer
    x = 29,700,804.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.